{literal}
      <style type="text/css">
         /* Z-index of #mask must lower than #boxes .window */
         #mask {
            position:absolute;
            left:0; top:0;
            z-index:9000;
            background-color:#000;
            display:none;
         }
         .window {
            position:absolute;
            left:0; top:0;
            width:440px; height:200px;
            display:none;
            z-index:9999;
            padding:20px;
         }
</style>
{/literal}